global N TOPO_W TOPO_H STOPTIME MOB_INTERVAL;
global HELLO_INTERVAL NEIGHB_HOLD_TIME TC_HOLD_TIME TC_INTERVAL;
global PROP_DISTANCE;
global RX_QUE_TIME TX_QUE_TIME RX_Queue TX_Queue SQUE_LEN RQUE_LEN PROC_TIME BW DATA_PKT_SIZE;
global LEN_IP LEN_MAC LEN_OLSR;
global packet_id node_id;
global NodeList EventList;
global current_time;
global adebug ldebug IDEBUG;
global  LOG_FILENAME LOG_FLAG;
global TTL_PKT;
global Monitor;